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udf: Support splicing to file

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Add explicit support for splicing from pipe to file through
iter_file_splice_write(). Commit 36e2c7421f ("fs: don't allow splice
read/write without explicit ops") removed the default .splice_write
operation which effectively removed UDF support for splicing from pipe.

Fixes: 36e2c7421f ("fs: don't allow splice read/write without explicit ops")
Reported-by: kernel test robot <yujie.liu@intel.com>
Link: https://lore.kernel.org/r/202209081443.593ab12-yujie.liu@intel.com
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2022-09-12 12:25:29 +02:00
parent d4d361ad00
commit 6c78973da0
1 changed files with 1 additions and 0 deletions
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fs/udf/file.c
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@ -252,6 +252,7 @@ const struct file_operations udf_file_operations = {
.release = udf_release_file, .release = udf_release_file,
.fsync = generic_file_fsync, .fsync = generic_file_fsync,
.splice_read = generic_file_splice_read, .splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
.llseek = generic_file_llseek, .llseek = generic_file_llseek,
}; };